diff --git a/CMakeLists.txt b/CMakeLists.txt
index 2bcd1ef7..219a43db 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -19,10 +19,10 @@ option(MI_OSX_INTERPOSE     "Use interpose to override standard malloc on macOS"
 option(MI_OSX_ZONE          "Use malloc zone to override standard malloc on macOS" ON)
 option(MI_WIN_REDIRECT      "Use redirection module ('mimalloc-redirect') on Windows if compiling mimalloc as a DLL" ON)
 option(MI_LOCAL_DYNAMIC_TLS "Use slightly slower, dlopen-compatible TLS mechanism (Unix)" OFF)
-option(MI_BUILD_SHARED      "Build shared library" ON)
+option(MI_BUILD_SHARED      "Build shared library" OFF)
 option(MI_BUILD_STATIC      "Build static library" ON)
-option(MI_BUILD_OBJECT      "Build object library" ON)
-option(MI_BUILD_TESTS       "Build test executables" ON)
+option(MI_BUILD_OBJECT      "Build object library" OFF)
+option(MI_BUILD_TESTS       "Build test executables" OFF)
 option(MI_DEBUG_TSAN        "Build with thread sanitizer (needs clang)" OFF)
 option(MI_DEBUG_UBSAN       "Build with undefined-behavior sanitizer (needs clang++)" OFF)
 option(MI_SKIP_COLLECT_ON_EXIT "Skip collecting memory on program exit" OFF)